Pregnant mandrill monkeys are more likely to miscarry when also nursing an infant

Female mandrills are more likely to experience pregnancy loss when they are simultaneously nursing an infant, which may reflect a physiological trade-off between current and future offspring, according to a study by Nikolaos Smit at the Max Planck Institute for Evolutionary Anthropology, Germany, and the University of Turku, Finland, and colleagues, published in PLOS Biology.